<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>404</title>
    <style>
        div {
            margin: 200px;
            font-size: 24px;
            font-weight: 500;
        }
    </style>
</head>

<body>
    <div>
        ERROR:404!
        <br>
        这个功能尚未开发哦！
        试试别的页面吧(参考README.md文档)
    </div>
</body>

</html>